First, I swapped out the birch legs with solid walnut legs from Uncle | How I Turned My Ikea Couch Into an $11,000 Designer Sofa | POPSUGAR Home UK Photo 5
Amazon.com: Customer reviews: 6 Inch Wood Furniture Legs, Set of 4. Great Round Tapered Sofa Legs with Mid-Century Modern Style, IKEA Conversion Kit Also Suitable for Coffee Table and Bed Legs